27472916 has 6 divisors (see below), whose sum is σ = 48077610. Its totient is φ = 13736456.

The previous prime is 27472903. The next prime is 27472943. The reversal of 27472916 is 61927472.

It can be written as a sum of positive squares in only one way, i.e., 24900100 + 2572816 = 4990^2 + 1604^2 .

It is a super-2 number, since 2×27472916² = 1509522227086112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27472916.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3434111 + ... + 3434118.

It is an arithmetic number, because the mean of its divisors is an integer number (8012935).

Almost surely, 2^27472916 is an apocalyptic number.

It is an amenable number.

27472916 is a deficient number, since it is larger than the sum of its proper divisors (20604694).

27472916 is a wasteful number, since it uses less digits than its factorization.

27472916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6868233 (or 6868231 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 27472916 is about 5241.4612466372. The cubic root of 27472916 is about 301.7414127870.

The spelling of 27472916 in words is "twenty-seven million, four hundred seventy-two thousand, nine hundred sixteen".